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Nonrigid-Earth Rotation Solution

Published online by Cambridge University Press:  12 April 2016

P. Bretagnon ,
P. Rocher  and
J.-L. Simon
P. Bretagnon
Affiliation:
Institut de mécanique céleste, Observatoire de Paris, 77 avenue Denfert-Rochereau 75014 Paris
P. Rocher
Affiliation:
Institut de mécanique céleste, Observatoire de Paris, 77 avenue Denfert-Rochereau 75014 Paris
J.-L. Simon
Affiliation:
Institut de mécanique céleste, Observatoire de Paris, 77 avenue Denfert-Rochereau 75014 Paris

Abstract

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The accuracy of the rigid-Earth solution SMART97 is 2 μas over the time interval (1968, 2023). To obtain a nonrigid-Earth solution, we use the transfer function of Mathews (1999). The perturbations of the third component of the angular velocity vector are taken into account.

Type
Section 2. Improved Definitions and Models
Information
International Astronomical Union Colloquium , Volume 180: Towards Models and Constants for Sub-Microarcsecond Astrometry , March 2000 , pp. 230 - 235
Copyright
Copyright © US Naval Observatory 2000

References

Bretagnon, P., Francou, G., Rocher, P., Simon, J.-L., 1998, Astron. Astrophys., 329, 329.Google Scholar
McCarthy, D.D., 1996, IERS Standards (1996) IERS Technical Note 21, Observatoire de Paris.Google Scholar
Mathews, P.M., 1999, private communication.Google Scholar
Mathews, P.M., Herring, T.A., Buffet, B.A., 2000, New nonrigid Earth nutation series and Earth’s interior, submitted to J. Geophys. Res. Google Scholar
Standish, E.M., Newhall, X.X, Williams, J.G., Folkner, W.F., 1995, JPL IOM 314, 10.Google Scholar